Q159 / 270 · NDA 2010 (Phase 2) · Mathematics

The frequency distribution of life of 90 TV tubes whose median life is 17 months is as follows:
What is the cumulative frequency of the modal class?

A
31
B
35
Correct answer
C
66
D
Cannot be determined as the given data is insufficient

Solution

The correct answer is option (C).

Hence, the correct answer is option: 'C'.

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